Consider the question. The corresponding vein that carries deoxygenated blood from the upper half of the body is the superior vena cava.

What is the function of the super vena cava?
 If the answer is 'carries deoxygenated blood from the upper half of the body'; explain the reasoning:
To answer this question, we should know that: The corresponding vein that carries deoxygenated blood from the upper half of the body is the superior vena cava.